Countermark

https://rpc.ashmus.ox.ac.uk/countermark/699 
GIC 573
ϚΛ on obverse
oval 
7 x 4 mm 
 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC IV, 6970 (temporary) Show 2176 7 4.3
RPC IV, 5787 (temporary) Show 2175 5 4.3
RPC III, 3809 Show 3809 31 3